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Chubutemys
Taxonomy
Chubutemys was named by Gaffney et al. (2007).
It was assigned to Eucryptodira by Gaffney et al. (2007); to Testudinata by Pérez-García and Murelaga (2013); and to Meiolaniformes by Sterli and de la Fuente (2013), de la Fuente et al. (2014), Sterli (2015), Sterli et al. (2015) and Sterli et al. (2015).
It was assigned to Eucryptodira by Gaffney et al. (2007); to Testudinata by Pérez-García and Murelaga (2013); and to Meiolaniformes by Sterli and de la Fuente (2013), de la Fuente et al. (2014), Sterli (2015), Sterli et al. (2015) and Sterli et al. (2015).
Species
Synonymy list
Year | Name and author |
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2007 | Chubutemys Gaffney et al. |
2013 | Chubutemys Pérez-García and Murelaga |
2013 | Chubutemys Sterli and de la Fuente |
2014 | Chubutemys de la Fuente et al. |
2015 | Chubutemys Sterli |
2015 | Chubutemys Sterli et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
Reference | Diagnosis | |
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E. S. Gaffney et al. 2007 | A genus of eucryptodire known only from the skull, similar to Dracochelys, Hangaiemys, and Ordosemys; nasal-frontal contact absent in contrast to Ordosemys; frontal does not enter orbit in contrast to Dracochelys, Ordosemys, Hangaiemys, and Sinemys; temporal roof
broadly covered by parietals extending posterior to otic chamber in contrast to the deep emargination seen in Hangaiemys, Judithemys, Ordosemys, and Sinemys (and probably Dracochelys, although the temporal roof is incompletely known); broad parietal-squamosal contact in contrast to Dracochelys, Ordosemys, Hangaiemys, and Sinemys; cheek emargination absent in contrast to Dracochelys, Hangaiemys, Judithemys, Ordosemys, and Sinemys; triturating surface narrow as in Ordosemys and Sinemys, but not very narrow as in Dracochelys and Hangaiemys; foramen palatinum posterius similar in size to that in Ordosemys, not very large as in Dracochelys and Hangaiemys; deep pit on pterygoid absent in contrast to Dracochelys and Ordosemys; foramen posterius canalis caroticus laterale exposed in ventral view, widely separated from foramen caroticum basisphenoidale, and formed in gap between pterygoid and basisphenoid as in Dracochelys and Niolamia, in contrast to more posterior position as in Hangaiemys, Judithemys, Sinemys, and Ordosemys; canalis caroticus internus only partially floored by bone along contact of basisphenoid and pterygoid as in Dracochelys, Hangaiemys, Ordosemys, and Sinemys; foramen caroticum basisphenoidale formed entirely by basisphenoid and open ventrally as in Dracochelys, Ordosemys, Hangaiemys, and Sinemys; basisphenoid triangular in ventral view as in Dracochelys and Niolamia, not rectangular as in Ordosemys and Hangaiemys. |
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Carroll 1988, Hendy et al. 2009 |
Age range: Late/Upper Aptian or 122.46000 to 112.03000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Aptian | Argentina (Chubut) | C. copelloi (38530) |